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  1. kalvin

    Vibration-Proof Fastener

    Mloew Did you ever locate a source to perform the Junker's test?
  2. kalvin

    Vibration Test for Fasteners

    Did you ever find a source that has a Junkers vibration tester?
  3. kalvin

    Internal Thread Stripping - Revisited....

    I agree rolling the threads will increase the strength. It will make the person who is tapping the holes very happy because the tool life for cold forming taps is about 10 tmes higher. As for Spiralock, it is reuseable and according to NASA the torque tension relationship improves with each...
  4. kalvin

    Large thread data

    Spec. ASME B1.1 - 1989 covers thread specifications to 6"
  5. kalvin

    Internal Thread Stripping - Revisited....

    you need to carefull that you apply the loctite evenly around all the threads or you will have a condition of "side loading" thereby forcing the set screw to one side of the tapped hole and reducing the thread strength by half. You may want to look at something like Spiralock (...
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